package com.xxxx.server.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xxxx.server.mapper.EmployeeMapper;
import com.xxxx.server.mapper.MailLogMapper;
import com.xxxx.server.pojo.Employee;
import com.xxxx.server.pojo.MailConstants;
import com.xxxx.server.pojo.MailLog;
import com.xxxx.server.pojo.RespBean;
import com.xxxx.server.pojo.RespPageBean;
import com.xxxx.server.service.IEmployeeService;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@Service
public class EmployeeServiceImpl extends ServiceImpl<EmployeeMapper, Employee> implements IEmployeeService {

	@Autowired
	private EmployeeMapper employeeMapper;
	@Autowired
	private RabbitTemplate rabbitTemplate;
	@Autowired
	private MailLogMapper mailLogMapper;

	/**
	 * 获取所有员工(分页)
	 *
	 * @param currentPage
	 * @param size
	 * @param employee
	 * @param beginDateScope
	 * @return
	 */
	@Override
	public RespPageBean getEmployeeByPage(Integer currentPage, Integer size, Employee employee,
	                                      LocalDate[] beginDateScope) {
		//开启分页
		Page<Employee> page = new Page<>(currentPage, size);
		IPage<Employee> employeeByPage = employeeMapper.getEmployeeByPage(page, employee, beginDateScope);
		RespPageBean respPageBean = new RespPageBean(employeeByPage.getTotal(), employeeByPage.getRecords());
		return respPageBean;
	}

	/**
	 * 获取工号
	 *
	 * @return
	 */
	@Override
	public RespBean maxWorkID() {
		List<Map<String, Object>> maps = employeeMapper.selectMaps(new QueryWrapper<Employee>().select("max(workID)"));
		return RespBean.success(null, String.format("%08d",
				Integer.parseInt(maps.get(0).get("max(workID)").toString()) + 1));
	}

	/**
	 * 添加员工
	 *
	 * @param employee
	 * @return
	 */
	@Override
	public RespBean addEmp(Employee employee) {
		//处理合同期限，保留2位小数
		LocalDate beginContract = employee.getBeginContract();
		LocalDate endContract = employee.getEndContract();
		long days = beginContract.until(endContract, ChronoUnit.DAYS);
		DecimalFormat decimalFormat = new DecimalFormat("##.00");
		employee.setContractTerm(Double.parseDouble(decimalFormat.format(days / 365.00)));
		if (1 == employeeMapper.insert(employee)) {
			Employee emp = employeeMapper.getEmployee(employee.getId()).get(0);
			//数据库记录发送的消息
			String msgId = UUID.randomUUID().toString();
			MailLog mailLog = new MailLog();
			mailLog.setMsgId(msgId);
			mailLog.setEid(employee.getId());
			mailLog.setStatus(0);
			mailLog.setRouteKey(MailConstants.MAIL_ROUTING_KEY_NAME);
			mailLog.setExchange(MailConstants.MAIL_EXCHANGE_NAME);
			mailLog.setCount(0);
			mailLog.setTryTime(LocalDateTime.now().plusMinutes(MailConstants.MSG_TIMEOUT));
			mailLog.setCreateTime(LocalDateTime.now());
			mailLog.setUpdateTime(LocalDateTime.now());
			mailLogMapper.insert(mailLog);
			//发送信息
			rabbitTemplate.convertAndSend(MailConstants.MAIL_EXCHANGE_NAME, MailConstants.MAIL_ROUTING_KEY_NAME, emp, new CorrelationData(msgId));
			return RespBean.success("添加成功！");
		}
		return RespBean.error("添加失败!");
	}

	/**
	 * 查询员工
	 *
	 * @param id
	 * @return
	 */
	@Override
	public List<Employee> getEmployee(Integer id) {
		return employeeMapper.getEmployee(id);
	}


	/**
	 * 获取所有员工账套
	 * @param currentPage
	 * @param size
	 * @return
	 */
	@Override
	public RespPageBean getEmployeeWithSalary(Integer currentPage, Integer size) {
		//开启分页
		Page<Employee> page = new Page<>(currentPage,size);
		IPage<Employee> employeeIPage =  employeeMapper.getEmployeeWithSalary(page);
		RespPageBean respPageBean = new RespPageBean(employeeIPage.getTotal(),employeeIPage.getRecords());
		return respPageBean;
	}

}
